Question

Rays from infinite
distance are incident on a converging lens
and metals
at a distance of
15 cm from the lens what is the radius of curvature of the lens​

Answer 1

Answer:

From all points of the object infinite rays of light emerge radially outward. If A' the image of point A, the tip of the object, is found, the rest is easy. ... All rays that are incident on the converging lens will come to the same point after refraction through the lens.